The Number

400

Four Hundred

In Base 19 Nonadecimal Is

12119

The numbers with a 19 subscript use Base 19 Nonadecimal notation.

For more familiar numbers: See Four Hundred in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

397
11h19
Three Hundred and Ninety-Seven in Base 19 Nonadecimal
398
11i19
Three Hundred and Ninety-Eight in Base 19 Nonadecimal
399
12019
Three Hundred and Ninety-Nine in Base 19 Nonadecimal
401
12219
Four Hundred and One in Base 19 Nonadecimal
402
12319
Four Hundred and Two in Base 19 Nonadecimal
403
12419
Four Hundred and Three in Base 19 Nonadecimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

4e2

Reciprocal

A number multiplied with its reciprocal is one.

0.00h2f4d6b89a7c819

The reciprocal of 400 in Base 19 Nonadecimal.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 12119 is a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Four hundred is a composite number with 15 total factors (including 1 and itself).   See primes in Base 19 Nonadecimal

A Composite

Composites have more than just these two factors.

Four hundred is a composite number with 15 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number four hundred has the following 2 prime factors:

2
219
Two in Base 19 Nonadecimal
5
519
Five in Base 19 Nonadecimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

2194 · 5192 = 12119

Base Conversions

The number four hundred in 35 different bases